httpclient 包的https协议使用

httpclient 包的https协议使用

1. import java.security.cert.CertificateException;  
2. import java.security.cert.X509Certificate;  
3. import javax.net.ssl.SSLContext;  
4. import javax.net.ssl.TrustManager;  
5. import javax.net.ssl.X509TrustManager;  
6. import org.apache.http.conn.ClientConnectionManager;  
7. import org.apache.http.conn.scheme.Scheme;  
8. import org.apache.http.conn.scheme.SchemeRegistry;  
9. import org.apache.http.conn.ssl.SSLSocketFactory;  
10. import org.apache.http.impl.client.DefaultHttpClient;  
11. //用于进行Https请求的HttpClient  
12. public class SSLClient extends DefaultHttpClient{  
13.     public SSLClient() throws Exception{  
14.         super();  
15.         SSLContext ctx = SSLContext.getInstance("TLS");  
16.         X509TrustManager tm = new X509TrustManager() {  
17.                 @Override  
18.                 public void checkClientTrusted(X509Certificate[] chain,  
19.                         String authType) throws CertificateException {  
20.                 }  
21.                 @Override  
22.                 public void checkServerTrusted(X509Certificate[] chain,  
23.                         String authType) throws CertificateException {  
24.                 }  
25.                 @Override  
26.                 public X509Certificate[] getAcceptedIssuers() {  
27.                     return null;  
28.                 }  
29.         };  
30.         ctx.init(null, new TrustManager[]{tm}, null);  
31.         SSLSocketFactory ssf = new SSLSocketFactory(ctx,SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);  
32.         ClientConnectionManager ccm = this.getConnectionManager();  
33.         SchemeRegistry sr = ccm.getSchemeRegistry();  
34.         sr.register(new Scheme("https", 443, ssf));  
35.     }  
    
    新建一个类访问发送POST方法处理
    
    
36. import java.util.ArrayList;  
37. import java.util.Iterator;  
38. import java.util.List;  
39. import java.util.Map;  
40. import java.util.Map.Entry;  
41. import org.apache.http.HttpEntity;  
42. import org.apache.http.HttpResponse;  
43. import org.apache.http.NameValuePair;  
44. import org.apache.http.client.HttpClient;  
45. import org.apache.http.client.entity.UrlEncodedFormEntity;  
46. import org.apache.http.client.methods.HttpPost;  
47. import org.apache.http.message.BasicNameValuePair;  
48. import org.apache.http.util.EntityUtils;  
49. /* 
50.  * 利用HttpClient进行post请求的工具类 
51.  */  
52. public class HttpClientUtil {  
53.     public String doPost(String url,Map<String,String> map,String charset){  
54.         HttpClient httpClient = null;  
55.         HttpPost httpPost = null;  
56.         String result = null;  
57.         try{  
58.             httpClient = new SSLClient();  
59.             httpPost = new HttpPost(url);  
60.             //设置参数  
61.             List<NameValuePair> list = new ArrayList<NameValuePair>();  
62.             Iterator iterator = map.entrySet().iterator();  
63.             while(iterator.hasNext()){  
64.                 Entry<String,String> elem = (Entry<String, String>) iterator.next();  
65.                 list.add(new BasicNameValuePair(elem.getKey(),elem.getValue()));  
66.             }  
67.             if(list.size() > 0){  
68.                 UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list,charset);  
69.                 httpPost.setEntity(entity);  
70.             }  
71.             HttpResponse response = httpClient.execute(httpPost);  
72.             if(response != null){  
73.                 HttpEntity resEntity = response.getEntity();  
74.                 if(resEntity != null){  
75.                     result = EntityUtils.toString(resEntity,charset);  
76.                 }  
77.             }  
78.         }catch(Exception ex){  
79.             ex.printStackTrace();  
80.         }  
81.         return result;  
82.     }  
83. }  
84. }